W. AI-Marzooki, A. AI-Halhali, R. AI-Maqbaly, A. Ritchie, K. Annamalai, and N. Forsberg, “Date Fiber as a Constituent of Broiler Starter Diets”, Jour. Agri. & Mar. Scie., vol. 5, no. 2, pp. 59–61, Jun. 2000.